.sticky-button{position:fixed;top:50%;right:0;z-index:9999;display:none;transform:translateY(-50%)}.book-button{display:block;padding:20px;background-color:rgba(200,200,200,.7);color:#333;font-size:20px;text-align:center;text-transform:uppercase;writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.1em;text-decoration:none;font-weight:300;width:60px;transition:background-color .3s ease,color .3s ease;transform:rotate(180deg);-webkit-transform:rotate(180deg)}.book-button:hover{background-color:black;color:white}@media (max-width:768px){.sticky-button{display:block;top:50%;transform:translateY(-50%);right:0}.book-button{padding:30px 15px;font-size:16px;width:50px}}